<template>
  <div class="tabs">
    <el-tag
      v-for="(tag, index) in tags"
      :key="tag.name"
      :closable="tag.name !== 'home'"
      :effect="$route.name === tag.name ? 'dark' : 'plain'"
      @click="changMenu(tag)"
      @close="handleClose(tag,index)"
      size="small"
    >
      {{tag.label}}
    </el-tag>
  </div>
</template>

<script>
import { mapState,mapMutations } from "vuex";
export default {
  name: "CommonTag",
  data() {
    return {};
  },
  computed: {
    ...mapState({
      tags: state => state.tab.tabsList
    }),
  },
  methods:{
    ...mapMutations({
      close:'closeTag'
    }),
    changMenu(item){
      this.$router.push({name:item.name})
    },
    handleClose(tag,index){
      const length = this.tags.length - 1
      this.close(tag)

      if(tag.name !== this.$route.name){
        return;
      }
      if(index === length){
        this.$router.push({
          name:this.tags[index - 1].name
        })
      }else{
        this.$router.push({
          nmae:this.tags[index].name
        })
      }
    }
  }
};
</script>

<style lang="less" scoped>
.tabs {
  padding: 20px;
  .el-tag{
    margin-right: 15px;
    cursor: pointer;
  }
}
</style>